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Cheap flights from Ottawa to London Heathrow Airport from C$ 519

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to London Heathrow Airport departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
YOW — LHR
3 Mar — 10 Mar1
1 adult
Sun 3/3
Sun 10/3

The best prices from Ottawa to London Heathrow are usually found in January or February, booked 76 days in advance, depart on a Sunday or Friday and return on a Thursday

Cheap flight deals from Ottawa to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 February 2024.

Popular in

December

Cheapest in

January

Round-trip from

C$ 1,011

One-way from

C$ 750
High demand for flights, 17% potential price rise
Best time to find cheap flights, 14% potential price drop
From Ottawa to London Heathrow
One-way flight from Ottawa to London Heathrow

What is the cheapest day to fly round-trip from Ottawa to London Heathrow Airport?

Saturday is generally a great day to depart. Flying on this day could help you save up to 7%.

How far in advance should I book a flight from Ottawa to London Heathrow Airport?

Find a great deal and save up to 40% by booking at least 42 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ottawa to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at C$ 1,013.

What is the cheapest month to fly from Ottawa to London Heathrow Airport?

January is one of the best times of the year to fly to London Heathrow Airport from Ottawa. Prices for January average C$ 1,099 per person but you can even find prices for as low as C$ 896. The most expensive prices can be found in the month of December. Opting for a January flight can save you 19% on your journey compared to booking in December

When is the cheapest time to fly from Ottawa to London Heathrow Airport (YOW - LHR)?

It’s typically best to fly out from Ottawa to London Heathrow Airport in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

Cheap SWISS flights from Ottawa to Heathrow

Explore cheap flight options specifically provided by SWISS for the route between Ottawa and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 603,145 searches. Data last updated 27 February 2024.
Consider these cheap SWISS flights we've found departing from Ottawa to London. It's recommended that users confirm their flight details before booking.
Tue 30/44:00 p.m.YOW - LHR
2 stops34h 55mSWISS
Fri 3/57:00 a.m.LHR - YOW
2 stops16h 02mSWISS
Deal found 26/2C$ 931
Wed 13/312:30 p.m.YOW - LHR
2 stops15h 35mSWISS
Wed 20/37:00 a.m.LHR - YOW
2 stops18h 34mSWISS
Deal found 27/2C$ 1,047
Thu 21/36:00 p.m.YOW - LHR
2 stops23h 40mSWISS
Tue 30/46:00 a.m.LHR - YOW
2 stops18h 17mSWISS
Deal found 27/2C$ 1,103
Thu 21/37:45 p.m.YOW - LHR
2 stops18h 55mSWISS
Tue 30/46:00 a.m.LHR - YOW
2 stops18h 17mSWISS
Deal found 26/2C$ 1,108
Thu 18/412:30 p.m.YOW - LHR
2 stops14h 25mSWISS
Tue 23/48:40 a.m.LHR - YOW
2 stops15h 37mSWISS
Deal found 26/2C$ 1,138
Mon 27/51:10 p.m.YOW - LHR
2 stops13h 45mSWISS
Fri 7/67:00 a.m.LHR - YOW
2 stops15h 02mSWISS
Deal found 26/2C$ 1,154
Mon 4/312:30 p.m.YOW - LHR
2 stops14h 35mSWISS
Mon 11/38:05 p.m.LHR - YOW
2 stops29h 10mSWISS
Deal found 25/2C$ 1,381

Cheap Air Canada flights from Ottawa to Heathrow

Explore cheap flight options specifically provided by Air Canada for the route between Ottawa and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 603,145 searches. Data last updated 27 February 2024.
Take a gander at the lowest prices we've found on Air Canada flights from Ottawa to London. Deals frequently update to provide users with more options.
Tue 26/33:25 p.m.YOW - LHR
1 stop11h 45mAir Canada
Tue 2/48:30 a.m.LHR - YOW
1 stop11h 42mAir Canada
Deal found 27/2C$ 988
Tue 26/32:40 p.m.YOW - LHR
2 stops12h 30mAir Canada
Tue 2/49:30 a.m.LHR - YOW
2 stops31h 17mAir Canada
Deal found 27/2C$ 1,007
Tue 26/312:30 p.m.YOW - LHR
1 stop14h 40mAir Canada
Tue 2/49:30 a.m.LHR - YOW
2 stops31h 17mAir Canada
Deal found 27/2C$ 1,013
Mon 4/312:30 p.m.YOW - LHR
1 stop13h 40mAir Canada
Thu 14/31:25 p.m.LHR - YOW
1 stop12h 09mAir Canada
Deal found 26/2C$ 1,028
Wed 10/412:30 p.m.YOW - LHR
1 stop13h 00mAir Canada
Tue 16/42:05 p.m.LHR - YOW
1 stop10h 12mAir Canada
Deal found 25/2C$ 1,031
Tue 5/33:25 p.m.YOW - LHR
1 stop10h 45mAir Canada
Tue 12/36:00 p.m.LHR - YOW
1 stop11h 40mAir Canada
Deal found 26/2C$ 1,036
Tue 12/33:00 p.m.YOW - LHR
2 stops12h 10mAir Canada
Tue 19/31:25 p.m.LHR - YOW
1 stop12h 09mAir Canada
Deal found 27/2C$ 1,038
Sun 14/47:00 a.m.YOW - LHR
1 stop9h 00mAir Canada
Thu 2/52:05 p.m.LHR - YOW
1 stop8h 57mAir Canada
Deal found 26/2C$ 1,041
Fri 12/47:00 a.m.YOW - LHR
1 stop9h 00mAir Canada
Wed 1/59:30 a.m.LHR - YOW
1 stop13h 09mAir Canada
Deal found 26/2C$ 1,043

Cheap Ottawa to Heathrow flights in February & March 2024

Find cheap flight options from Ottawa to Heathrow specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 603,145 searches. Prices were last updated on 27 February 2024.
The lowest fares we've come across on flights travelling from Ottawa to London in February and March 2024. For more flight deals, be sure to check back very soon.
Tue 26/33:25 p.m.YOW - LHR
1 stop11h 45mAir Canada
Tue 2/48:30 a.m.LHR - YOW
1 stop11h 42mAir Canada
Deal found 27/2C$ 988
Tue 26/32:40 p.m.YOW - LHR
2 stops12h 30mAir Canada
Tue 2/49:30 a.m.LHR - YOW
2 stops31h 17mAir Canada
Deal found 27/2C$ 1,007
Tue 26/312:30 p.m.YOW - LHR
1 stop14h 40mAir Canada
Tue 2/49:30 a.m.LHR - YOW
2 stops31h 17mAir Canada
Deal found 27/2C$ 1,013
Mon 4/312:30 p.m.YOW - LHR
1 stop13h 40mAir Canada
Thu 14/31:25 p.m.LHR - YOW
1 stop12h 09mAir Canada
Deal found 26/2C$ 1,028
Tue 5/33:25 p.m.YOW - LHR
1 stop10h 45mLufthansa
Wed 20/31:25 p.m.LHR - YOW
1 stop12h 09mLufthansa
Deal found 25/2C$ 1,030
Thu 28/36:00 a.m.YOW - LHR
1 stop19h 55mMultiple Airlines
Sat 13/45:05 p.m.LHR - YOW
1 stop12h 14mMultiple Airlines
Deal found 26/2C$ 1,031
Mon 11/36:20 p.m.YOW - LHR
1 stop8h 50mLufthansa
Wed 20/31:25 p.m.LHR - YOW
1 stop12h 09mLufthansa
Deal found 26/2C$ 1,035
Tue 5/33:25 p.m.YOW - LHR
1 stop10h 45mAir Canada
Tue 12/36:00 p.m.LHR - YOW
1 stop11h 40mAir Canada
Deal found 26/2C$ 1,036
Mon 4/312:30 p.m.YOW - LHR
1 stop13h 40mAir Canada
Mon 25/36:00 p.m.LHR - YOW
1 stop11h 40mAir Canada
Deal found 25/2C$ 1,038

Ottawa to Heathrow 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 603,145 searches. Data last updated 27 February 2024.
The lowest fares we've come across on flights travelling from Ottawa to London in February and March 2024. For more flight deals, be sure to check back very soon.
Mon 15/46:00 a.m.YOW - LHR
1 stop25h 05mMultiple Airlines
Mon 13/56:50 a.m.LHR - YOW
2 stops22h 13mMultiple Airlines
Deal found 26/2C$ 903
Tue 30/44:00 p.m.YOW - LHR
2 stops34h 55mSWISS
Fri 3/57:00 a.m.LHR - YOW
2 stops16h 02mSWISS
Deal found 26/2C$ 931
Mon 8/46:00 a.m.YOW - LHR
1 stop25h 05mMultiple Airlines
Tue 16/46:55 a.m.LHR - YOW
2 stops17h 00mMultiple Airlines
Deal found 25/2C$ 938
Mon 8/46:00 a.m.YOW - LHR
1 stop25h 05mMultiple Airlines
Wed 17/47:40 a.m.LHR - YOW
2 stops16h 15mMultiple Airlines
Deal found 25/2C$ 968
Mon 8/46:00 a.m.YOW - LHR
1 stop19h 15mMultiple Airlines
Mon 15/45:05 p.m.LHR - YOW
1 stop12h 14mMultiple Airlines
Deal found 25/2C$ 986
Tue 26/33:25 p.m.YOW - LHR
1 stop11h 45mAir Canada
Tue 2/48:30 a.m.LHR - YOW
1 stop11h 42mAir Canada
Deal found 27/2C$ 988
Tue 26/116:00 a.m.YOW - LHR
1 stop19h 15mMultiple Airlines
Sun 1/1211:45 a.m.LHR - YOW
1 stop17h 38mMultiple Airlines
Deal found 26/2C$ 993
Mon 8/46:00 a.m.YOW - LHR
1 stop25h 05mMultiple Airlines
Thu 18/47:40 a.m.LHR - YOW
2 stops16h 15mMultiple Airlines
Deal found 25/2C$ 999
Fri 1/116:00 a.m.YOW - LHR
1 stop20h 15mMultiple Airlines
Sat 9/115:05 p.m.LHR - YOW
1 stop12h 18mMultiple Airlines
Deal found 26/2C$ 1,001

Ottawa to Heathrow flights leaving soon

Find last-minute flight options from Ottawa to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 603,145 searches. Data last updated 27 February 2024.
Consider one of these great deals we found on last-minute flights from Ottawa to London. Users should examine the flight details to ensure there are no surprises.
Mon 4/312:30 p.m.YOW - LHR
1 stop13h 40mAir Canada
Thu 14/31:25 p.m.LHR - YOW
1 stop12h 09mAir Canada
Deal found 26/2C$ 1,028
Tue 5/33:25 p.m.YOW - LHR
1 stop10h 45mLufthansa
Thu 21/31:25 p.m.LHR - YOW
1 stop12h 09mLufthansa
Deal found 25/2C$ 1,030
Mon 11/36:20 p.m.YOW - LHR
1 stop8h 50mLufthansa
Wed 20/31:25 p.m.LHR - YOW
1 stop12h 09mLufthansa
Deal found 26/2C$ 1,035
Tue 5/33:25 p.m.YOW - LHR
1 stop10h 45mAir Canada
Tue 12/36:00 p.m.LHR - YOW
1 stop11h 40mAir Canada
Deal found 26/2C$ 1,036
Mon 4/312:30 p.m.YOW - LHR
1 stop13h 40mAir Canada
Mon 25/36:00 p.m.LHR - YOW
1 stop11h 40mAir Canada
Deal found 25/2C$ 1,038
Mon 4/312:30 p.m.YOW - LHR
1 stop13h 40mAir Canada
Mon 11/36:00 p.m.LHR - YOW
1 stop11h 40mAir Canada
Deal found 25/2C$ 1,041
Mon 4/36:20 p.m.YOW - LHR
2 stops12h 00mAir Canada
Mon 11/33:00 p.m.LHR - YOW
1 stop14h 40mAir Canada
Deal found 26/2C$ 1,046
Mon 4/36:20 p.m.YOW - LHR
2 stops12h 00mAir Canada
Mon 11/36:00 p.m.LHR - YOW
1 stop11h 40mAir Canada
Deal found 25/2C$ 1,049
Tue 5/33:25 p.m.YOW - LHR
1 stop10h 45mMultiple Airlines
Thu 21/39:00 a.m.LHR - YOW
2 stops28h 04mMultiple Airlines
Deal found 25/2C$ 1,055

One-way flights to Heathrow from Ottawa

Search for one-way flight options from Ottawa to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 603,145 searches. Data last updated 27 February 2024.
Users travelling one-way from Ottawa to London can select one of these great deals. Those seeking round-trip flights from Ottawa to London should utilize the search form at the top of the page.
Mon 8/78:52 p.m.YOW - LHR
2 stops19h 43mMultiple Airlines
Deal found 26/2C$ 519
Wed 3/78:52 p.m.YOW - LHR
2 stops19h 28mMultiple Airlines
Deal found 26/2C$ 541
Sun 21/78:52 p.m.YOW - LHR
2 stops17h 23mMultiple Airlines
Deal found 27/2C$ 555
Tue 2/78:52 p.m.YOW - LHR
2 stops14h 58mMultiple Airlines
Deal found 26/2C$ 558
Mon 4/312:55 p.m.YOW - LHR
2 stops26h 35mMultiple Airlines
Deal found 26/2C$ 586
Sat 29/68:52 p.m.YOW - LHR
2 stops19h 03mMultiple Airlines
Deal found 26/2C$ 593
Sat 23/310:00 a.m.YOW - LHR
2 stops41h 25mMultiple Airlines
Deal found 26/2C$ 603
Mon 29/42:00 p.m.YOW - LHR
2 stops17h 55mScandinavian Airlines
Deal found 26/2C$ 651
Tue 21/52:00 p.m.YOW - LHR
2 stops13h 55mScandinavian Airlines
Deal found 27/2C$ 664

Find flights from Ottawa to Heathrow within your budget

Customize your flight search to find flights from Ottawa to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 603,145 searches. Data last updated 27 February 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 903 - C$ 1,309

Route

Depart

Return

Price

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Mon 15/4

1 stop25h 05m

London Heathrow

Mon 13/5

2 stops22h 13m

C$ 903

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 30/4

2 stops34h 55m

London Heathrow

Fri 3/5

2 stops16h 02m

C$ 931

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Mon 8/4

1 stop25h 05m

London Heathrow

Tue 16/4

2 stops17h 00m

C$ 938

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Tue 26/3

1 stop11h 45m

London Heathrow

Tue 2/4

1 stop11h 42m

C$ 988

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 10/3

1 stop11h 45m

London Heathrow

Thu 21/3

1 stop12h 09m

C$ 1,030

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Wed 27/3

2 stops21h 40m

London Heathrow

Wed 24/4

2 stops12h 57m

C$ 1,105

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Mon 15/4

2 stops17h 55m

London Heathrow

Thu 2/5

2 stops16h 37m

C$ 1,162

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Wed 27/3

2 stops14h 53m

London Heathrow

Wed 3/4

2 stops14h 44m

C$ 1,208

OttawaLondon Heathrow

YOW - LHR

YOWLHR

Ottawa

Sun 14/4

2 stops12h 45m

London Heathrow

Mon 29/4

2 stops13h 20m

C$ 1,309

Flights are sorted by cheapest first

Deals found on 26/2

When is the best time to book a flight from Ottawa to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to Heathrow. Price data was last updated on 28 January 2024.
The best time to book flights from Ottawa to London Heathrow Airport is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Ottawa to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Heathrow. Price data was last updated on 18 February 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to London Heathrow Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Heathrow by month

Plan your trip from Ottawa to Heathrow by taking into account the cheapest months to travel. The average price of a one-way flight from Ottawa to Heathrow is currently C$ 586 while a round-trip flight costs C$ 1,064. Price data was last updated on 25 February 2024.

Currently, January is the cheapest month in which you can book a flight from Ottawa to London Heathrow Airport (average of C$ 560). Flying from Ottawa to London Heathrow Airport in July is currently the most expensive (average of C$ 964). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

C$ 757

February

C$ 828

March

C$ 943

April

C$ 988

May

C$ 1,039

June

C$ 1,116

July

C$ 1,303

August

C$ 1,108

September

C$ 977

October

C$ 907

November

C$ 891

December

C$ 974

Temperature and rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.

LON

Temperature

4 - 17 °C

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 27 February 2024.
See what other customers who have flown with SWISS, Air Canada and Lufthansa from Ottawa to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
7.8
Good
1,761 reviews

Overall

7.8

Boarding

7.8

Entertainment

7.3

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.8
Good
1,761 reviews
7.8
Good
1,761 reviews

Overall

7.8

Boarding

7.8

Entertainment

7.3

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.8
Good
2,254 reviews
7.8
Good
1,761 reviews

Overall

7.8

Boarding

7.8

Entertainment

7.3

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.6
Good
1,965 reviews
7.8
Good
1,761 reviews

Overall

7.8

Boarding

7.8

Entertainment

7.3

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.6
Good
3,142 reviews
7.8
Good
1,761 reviews

Overall

7.8

Boarding

7.8

Entertainment

7.3

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

7.5
Good
1,435 reviews
7.8
Good
1,761 reviews

Overall

7.8

Boarding

7.8

Entertainment

7.3

Food

7.3

Crew

8.4

Comfort

7.6

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Ottawa to London Heathrow?

Most people fly from Ottawa (YOW) if they book a flight from Ottawa to London Heathrow. On average, Ottawa has 0 outbound flights to London Heathrow per day from 7 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

Can I find flights from Ottawa to London Heathrow Airport for under C$ 1,000 on Cheapflights?

Yes, there are multiple flights from Ottawa to London Heathrow Airport for under C$ 1,000. The cheapest flight booked recently is on Multiple Airlines for just C$ 903, but on average you can expect to pay C$ 1,000.

Are there last-minute flights available from Ottawa to London Heathrow Airport for under C$ 1,100?

There are currently 20+ open flights from Ottawa to London Heathrow Airport within the next 7 days for less than C$ 1,100.

What are the cheapest airlines flying from Ottawa to London Heathrow Airport round-trip?

Cheapflights users have booked flights from Ottawa to London Heathrow Airport round-trip from C$ 931. Other airlines that can offer you cheap pricing are Air Canada, from C$ 988, and Lufthansa, from C$ 1,030. SWISS is 16% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Ottawa to London Heathrow Airport one-way?

The cheapest airlines for a one-way flight from Ottawa to London Heathrow Airport are Scandinavian Airlines (C$ 651), Air Canada (C$ 719), and WestJet (C$ 724).

What are the most popular airlines that fly from Ottawa to London Heathrow Airport?

What does YOW to LHR mean?

This is defined as Ottawa Airport (YOW) and London Heathrow Airport (LHR). Codes like London Heathrow Airport are often used to just call airports uniquely.

Where are the most common layover locations when flying from Ottawa to London Heathrow Airport?

What are some popular things to do or see while on a layover in Montreal?

The majority of Montreal visitors spend their time at Centre Bell, Vieux-Port de Montréal, and Théâtre Saint-Denis. Travelers on a layover in Montreal can visit Centre Bell, Vieux-Port de Montréal, and Théâtre Saint-Denis, by traveling 14.6 km, 16.2 km, and 15.7 km, respectively after landing at Montreal Pierre Elliott Trudeau Intl. Those looking to explore during their layover in Montreal can rent a car from Montreal Pierre Elliott Trudeau Intl for about C$ 52 per day.

Where are the least popular layover locations for Ottawa to London Heathrow Airport flights?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Ottawa to Heathrow on these airlines
Choose from the following airlines for your flight from Ottawa to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 27 February 2024.